finding 26.3 : decision-support-processes-tools-available

Many decision support processes and tools are available. They can enable decision-makers to identify and assess response options, apply complex and uncertain information, clarify tradeoffs, strengthen transparency, and generate information on the costs and benefits of different choices.



This finding is from chapter 26 of Climate Change Impacts in the United States: The Third National Climate Assessment.

Process for developing key messages: During March-June 2012, the author team engaged in multiple technical discussions via teleconference (6 telecons) and email and in a day-long in-person meeting (April 27, 2012, in Washington, D.C.). Authors reviewed over 50 technical inputs provided by the public and a wide variety of technical and scholarly literature related to decision support, including reports from the National Research Council that provided recent syntheses of the field (America’s Climate Choices series, especially the reports Informing an Effective Response to Climate Changea230ab8f-a284-491a-91cd-45d7b8b32bdf and Informing Decisions in a Changing Climate7ab8b14a-38c7-4128-b0e3-fe1ab65edac0). During the in-person meeting, authors reflected on the body of work informing the chapter and drafted a number of candidate critical messages that could be derived from the literature. Following the meeting, authors ranked these messages and engaged in expert deliberation via teleconference and email discussions in order to agree on a small number of key messages for the chapter.

Description of evidence base: Description of evidence base Many decision support tools have been developed to support adaptive management in specific sectors or for specific issues. These tools include: risk assessments; geographic information system (GIS)-based analysis products; targeted projections for high-consequence events such as fires, floods, or droughts; vulnerability assessments; integrated assessment models; decision calendars; scenarios and scenario planning; and others.7ab8b14a-38c7-4128-b0e3-fe1ab65edac0 a230ab8f-a284-491a-91cd-45d7b8b32bdf 43e3eb9c-261d-4ebe-8e2d-d68888a78037 Many of these tools have been validated scientifically and evaluated from the perspective of users. They are described in the sector and regional chapters of this assessment. In addition, a variety of clearing houses and data management systems provide access to decision support information and tools (for example, CAKE 2012; NatureServe 201241ed7755-88f7-457d-90f9-e7b3e51f692b 0908ba9d-f547-432f-84c7-0bb502ecae09). There are many tools, some of which we discuss in the chapter, that are currently being used to make decisions that include a consideration of climate change and variability, or the impacts or vulnerabilities that would result from such changes. Also important is the creation of a well-structured and transparent decision process that involves affected parties in problem framing, establishing decision criteria, fact finding, deliberation, and reaching conclusions.6d9810e4-53cb-4e6d-857b-4c912a1c6440 a230ab8f-a284-491a-91cd-45d7b8b32bdf 5dce5300-d368-4ad2-9681-bbb4f24a7d50 These aspects of decision-making are often overlooked by those who focus more on scientific inputs and tools, but given the high stakes and remaining uncertainties, they are crucial for effective decision-making on adaptation and mitigation.

New information and remaining uncertainties: N/A

Assessment of confidence based on evidence: N/A

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